package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理页面
 */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增菜品以及套餐分类
     *
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /**
     * 分类信息分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        //分页构造器
        Page<Category> categoryPage = new Page<>(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> lqw = Wrappers.<Category>lambdaQuery();
        //添加排序条件，根据sort进行排序 升序
        lqw.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(categoryPage, lqw);

        return R.success(categoryPage);
    }

    /**
     * 删除菜品以及套餐分类,根据id
     *
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id) {
        categoryService.delete(id);
        return R.success("删除分类成功");
    }

    /**
     * 根据id修改分类信息
     *
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category) {
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    /**
     * 根据条件查询分类信息
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        lqw.eq(category.getType() != null, Category::getType, category.getType());
        lqw.orderByAsc(Category::getUpdateTime);
        List<Category> categories = categoryService.list(lqw);
        return R.success(categories);
    }
}
